EP 3807462 A4 20220406 - RE-PULPABLE PACKAGING MATERIAL
Title (en)
RE-PULPABLE PACKAGING MATERIAL
Title (de)
WIEDERZERFASERBARES VERPACKUNGSMATERIAL
Title (fr)
MATÉRIAU D'EMBALLAGE RETRITURABLE
Publication
Application
Priority
- SE 1850719 A 20180612
- IB 2019054893 W 20190612
Abstract (en)
[origin: WO2019239334A1] The invention relates to a packaging material comprising: a paperboard substrate comprising a first and a second side, at least one barrier layer applied on the first side of the substrate, the barrier layer comprising a water-soluble polymer selected from the group of polyvinyl alcohol, a copolymer of ethylene and polyvinyl alcohol, starch, carboxymethylcellulose and combinations thereof in an amount of at least 50 weight%, based on the dry weight of the barrier layer, an extrusion coated layer of a polyolefin on the barrier layer, and at least one dispersion barrier layer applied on the second side of the substrate, which at least one dispersion barrier layer forms a printing surface of the packaging material. The invention further relates to a method of manufacturing a respective packaging material.
IPC 8 full level
D21H 19/84 (2006.01); B32B 27/10 (2006.01); B32B 29/00 (2006.01); B65D 65/38 (2006.01)
CPC (source: EP SE US)
B32B 9/06 (2013.01 - SE); B32B 27/10 (2013.01 - EP SE US); B32B 27/32 (2013.01 - EP US); B32B 29/00 (2013.01 - SE); B32B 29/005 (2013.01 - EP); B65D 65/38 (2013.01 - SE US); D21H 19/22 (2013.01 - EP); D21H 19/32 (2013.01 - EP); D21H 19/52 (2013.01 - EP); D21H 19/54 (2013.01 - EP); D21H 19/82 (2013.01 - EP); D21H 19/84 (2013.01 - EP SE); B32B 29/005 (2013.01 - US); B32B 2255/12 (2013.01 - EP US); B32B 2255/26 (2013.01 - EP US); B32B 2307/718 (2013.01 - EP US); B32B 2307/7244 (2013.01 - EP US); B32B 2307/7246 (2013.01 - EP US); B32B 2307/7265 (2013.01 - EP); B32B 2307/75 (2013.01 - EP); B32B 2439/70 (2013.01 - EP); B65D 2565/385 (2013.01 - EP); D21H 19/52 (2013.01 - US); D21H 19/54 (2013.01 - US); Y02W 90/10 (2015.05 - EP)
Citation (search report)
- [X] EP 3260292 A1 20171227 - TETRA LAVAL HOLDINGS & FINANCE [CH]
- [X] EP 2199077 A1 20100623 - TETRA LAVAL HOLDINGS & FINANCE [CH]
- [X] WO 2011003565 A2 20110113 - TETRA LAVAL HOLDINGS & FINANCE [CH], et al
- [A] WO 2017163167 A1 20170928 - STORA ENSO OYJ [FI]
- [A] WO 2015140097 A1 20150924 - TETRA LAVAL HOLDINGS & FINANCE [CH]
- [A] WO 2013098025 A1 20130704 - TETRA LAVAL HOLDINGS & FINANCE [CH]
- [A] EP 1361044 A2 20031112 - COATING EXCELLENCE INTERNATION [US]
- See references of WO 2019239334A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
WO 2019239334 A1 20191219; BR 112020024972 A2 20210323; CA 3100504 A1 20191219; CN 112368443 A 20210212; CN 112368443 B 20230110; EP 3807462 A1 20210421; EP 3807462 A4 20220406; JP 2021527005 A 20211011; JP 7315589 B2 20230726; SE 1850719 A1 20191213; SE 543190 C2 20201020; US 11247443 B2 20220215; US 2021245481 A1 20210812
DOCDB simple family (application)
IB 2019054893 W 20190612; BR 112020024972 A 20190612; CA 3100504 A 20190612; CN 201980039450 A 20190612; EP 19819469 A 20190612; JP 2020569138 A 20190612; SE 1850719 A 20180612; US 201917251363 A 20190612